Matrix-rolling machine



Nom 6 1923., EAS-739053 c. siPLE MATRIX ROLLING MACHINE Filed Nov. 15 1922 IIIIIIIIIHIIIM g5 lllllI-lll A IHII Patented New. d, B923. y

nir erreiv maat una Q le CHARLES SIPLE, F CHICAGO, ILLINOIS, .ASSIG-NOR, T0 TEE PRINTING PRESS COMPANY, 0F CHICAGO, ILLINOIS, A CORPORATION OIE' ILLINOIS.

MATRIX-ROLLING MACHINE.

' .Applicaticn med November 13, 1922. Serial No. 600,629.

To aw 'wtom t may concern."

Be it known that I, CHARLES SIPLE, a citizen of the United States, and a resident of Chicago, in the county of Cook and State of Illinois, have invented certain new -and useful Improvements in Matrix-Rolling Machines, of which the following is a specifcation, reference being had-.to the accompanying drawing.

My invention relates to machines for rolling matrices on chases or forms for the pur pose of transferring to the matrix the impression of the type, preliminarily to the use of the matrices in making stereotypeplates therefrom. Such machines usuallyA com'prise a horizontally disposed reciprocating bed plate which travels between upper and lower cylinders, the lower cylinder serving as an additional support to the bed to prevent deiection thereof, while the upper cylinder bears on the matrix and presses it down into the typebed so as to set therein an impression of the type. .The upper cylinder is generally made vertically adjustable so that the pressure applied may be nicely regulated. .Such machines are employed in connection with either dry or wet matrices, and it has been found, particularly in connection with the rolling of dry matrices, and especially where the forms have a number of open areas or spaces, that there is a tendency toward wrinkles or creases developing in the matrices during the' rolling operation. rThis, of course, is objectionable because printingplates cast by the'use of such wrinkled or creasedvmatrices are apt to be emperfect, and the object of my present invention is to provide an improvedmachin by which this tendency will beavoided -I accomplish my object as illustrated in the accom anying drawing and as hereinafterv .'descri ed. What I regard asnew isset forth in the claims. In the accom an ing drawing, in ,whichI have illustrate o y such parts of a matrix@` rolling machine as will suce to \convey a\ clear understanding of my invention,-

Fig. 1 is a side elevation; Fig. 2 is a partial end view; Fig. 3 is a partial perspective view of onel of the sup orts of a tension or matrixpress- 1 iroller ereinafter described; and

lg3d is a partial perspective view of said roller.

'ferring to the drawing-5 indicat the lframe of the machine, which is suitably constructed to support a reciprocating platf en or bed 6 which is arranged to move back and forth on. suitable guides, and is propelled in either direction by gears 7 mounted on opposite end portions of a transverse shaft 8 and meshing with racks 9 at the under side of the bed 6 near the side margins thereof, as shown in F ig. 2. Between the gears 7 is a lower cylinder 10 also mounted on and rotatin with the shaft 8. The surface of said cyllnder bears against the under surface of the bed 6 and supports it intermediately as it reciprocates.

.Above the bed l6 is an upper cylinder 11 corresponding with the cylinder 10 and arranged directly over it on a shaft 12, the axis of which is in the same vertical plane as the axis of the shaft 8, as shown in Fig.

tween the lower portion of the .cylinder 11 .and the bed6. This adjustment may be accomplished in any suitable way, as by means of pinions 15 carried by a shaft 16 which extends over the cylinder 11, and meshing with segmentaljracks 17 connected with the bushings 13. Theshaft' 16 may be rocked by means of la hand lever` 18. Preferably a pinion 15,'rack 17' and lever v18 are provided at each side of tlfemachineso that the vertical adjustment of the cylinder 11 may be lmade from either side thereof.- These parts are all old and form no part of my present invention. The shafts 8 and 12 are geared together by gears 19, 20, as shown in Fig. 2, S0 that they rotate in unison and their adjoining* surfaces move in the same direction.

In Figs. 1 and 2, 21 indicates a chase or form resting on the bed 6, and 22 indicates a matrix laid upon the form. 23 indicates the usual blanket which overlies `the matrix during the rolling. operation. From the foregoing description it will be understood that by moving the' bed 6 between the cylindersjlO, 11 the upper cylinder will roll overthe matrix and blanket and will 'ress the matrix down into 'the interstices o and between the type, so that the lower surface-of the matrixwill take the im ressionof the llt@ 6 islsupposed to move to the right in making such impression. To keep the matrix smooth and Vfiat as it is fedv under the cylinder 11 lduring the rolling operation, I' provide a frictional engagement with the blanket lmachines heretofore in use.

placed thereover. In order that it may operate in this manner the roller 24 is provided at its ends with journals Z5 which rest in sockets 26 at the lower ends of arms 27, the upper ends of which are connected with the shaft 16 as shown in F ig. 2. The roller s therefore free to adjust itself vertically so that it rides freely over the upper sur-l face of the blanket, but its weight rests at all times on that portion of the matrix adjacent to the pressure cylinder 11. `Consequently as the matrix is fed vunder said cylinder the roller 24 operates to press down andfflatten o r iron out any wrinkles or elevated places in that portion of it which is about to be subjected to the pressure of the cylinder 11, and prevents it from being buckled or drawn up by the action of said cylinder. The result is that the matrix doesl not wrinkle or crease, and a much more nearly perfect impression is obtained than it has been practicable to obtain with the I have not illustrated any source of power f or driving the machine,`as any suitable means, such as an electric motor, may be employed for that purpose.`

So far as I am aware,I am the first in the artA to provide a pressing or smoothing device combined with a matrix rolling machine for this purpose, and the claims hereinafter made are to be construed accordingly. Furthermore, I wish it to be understood that my invention, broadly considered, is not limited to the use of a roller'for doing such work, but includes any and all equivalent smoothing means operating to insure proper feeding of the matrix to the pressure cylinder, Whether such smoothing means is arranged to rotate or not.,

What I claim as my invention and desire to secure by Letters Patent, is

1. A matrix rolling machine comprising a pressure cylinder, means for moving a foi-m and matrix past said cylinder, and

means adjacent to said cylinder for exerting a continuous downward pressure upon the matrix 1n advance of its being acted upon by said pressure cylinder.

2. A matrix rolling machine comprisingI a pressure cylinder, 'means for moving a form and matrix past' said cylinder, and means arranged to continuously bear down on the unpressed surface of the matrix as it moves into position to be acted upon by the pressure cylinder.

3. A matrix rolling machine comprising a pressure cylinder, means for moving a form and matrix past said cylinder, and a roller arranged -to roll over thel unpressed surface of the matrix as it m'oves into positionto be acted upon by the pressure cylin- 5. A matrix rolling machine comprising a pressure cylinder, means for moving av forml and matrix past said cylinder, and a freely rotatable heavy roller arranged to roll over the impressed surface of the matrix as it moves in to position to be acted on by the pressure cylinder, said roller being free to move vertically.

-. CHARLES SIPIJE. 

